package net.minecraft.item;

import net.minecraft.block.Block;
import net.minecraft.block.BlockSnow;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.world.World;

public class ItemSnow extends ItemBlock {
	public ItemSnow(Block block) {
		super(block);
		this.setMaxDamage(0);
		this.setHasSubtypes(true);
	}

	/**
	 * Called when a Block is right-clicked with this Item
	 */
	public boolean onItemUse(ItemStack stack, EntityPlayer playerIn, World worldIn, BlockPos pos, EnumFacing side,
			float hitX, float hitY, float hitZ) {
		if (stack.stackSize == 0) {
			return false;
		} else if (!playerIn.canPlayerEdit(pos, side, stack)) {
			return false;
		} else {
			IBlockState iblockstate = worldIn.getBlockState(pos);
			Block block = iblockstate.getBlock();
			BlockPos blockpos = pos;

			if ((side != EnumFacing.UP || block != this.block) && !block.isReplaceable(worldIn, pos)) {
				blockpos = pos.offset(side);
				iblockstate = worldIn.getBlockState(blockpos);
				block = iblockstate.getBlock();
			}

			if (block == this.block) {
				int i = ((Integer) iblockstate.getValue(BlockSnow.LAYERS)).intValue();

				if (i <= 7) {
					IBlockState iblockstate1 = iblockstate.withProperty(BlockSnow.LAYERS, Integer.valueOf(i + 1));
					AxisAlignedBB axisalignedbb = this.block.getCollisionBoundingBox(worldIn, blockpos, iblockstate1);

					if (axisalignedbb != null && worldIn.checkNoEntityCollision(axisalignedbb)
							&& worldIn.setBlockState(blockpos, iblockstate1, 2)) {
						worldIn.playSoundEffect((double) ((float) blockpos.getX() + 0.5F),
								(double) ((float) blockpos.getY() + 0.5F), (double) ((float) blockpos.getZ() + 0.5F),
								this.block.stepSound.getPlaceSound(), (this.block.stepSound.getVolume() + 1.0F) / 2.0F,
								this.block.stepSound.getFrequency() * 0.8F);
						--stack.stackSize;
						return true;
					}
				}
			}

			return super.onItemUse(stack, playerIn, worldIn, blockpos, side, hitX, hitY, hitZ);
		}
	}

	/**
	 * Converts the given ItemStack damage value into a metadata value to be placed
	 * in the world when this Item is placed as a Block (mostly used with
	 * ItemBlocks).
	 */
	public int getMetadata(int damage) {
		return damage;
	}
}
